How to plot grey level variation along horizontal cross-section of any image according to position of the mouse?

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msahar
msahar 2014-12-5
回答： Image Analyst 2014-12-5
How to plot grey level variation along horizontal cross-section of any image according to position of the mouse?

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Dishant Arora
Dishant Arora 2014-12-5
I = imread('cameraman.tif');
[row , column] = size(I);
imshow(I)
[x , ~] = ginput(1);
plot(1:column , I(x , :))

更多回答（1 个）

Image Analyst
Image Analyst 2014-12-5
There is a function specifically built for that. It's called improfile(). It can handle profiles at any angle, though if you know that you want exactly a perfect row or column, the code Dishant gave is the way to go.

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